#CFEC51#CFEC51

#CFEC51 is a very light, vivid yellow-green. Relative luminance 0.739; OKLCH L 89.4% C 0.179 H 119.3°. Best body text is #000000 at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#CFEC51
RGB	rgb(207, 236, 81)
HSL	hsl(71, 80%, 62%)
HSV	hsv(71, 66%, 93%)
CMYK	cmyk(12.3%, 0%, 65.7%, 7.5%)
CIE-LAB	lab(88.85, -29.77, 68.97)
CIE-LCH	lch(88.85, 75.12, 113.35°)
OKLab	oklab(89.37% -0.0875 0.1559)
OKLCH	oklch(89.37% 0.179 119.3)
XYZ	xyz(57.2138, 73.8507, 19.0235)
Luminance	0.7385 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#CFEC51 #6E51EC

analogous

#ECBC51 #CFEC51 #81EC51

triadic

#CFEC51 #51CFEC #EC51CF

tetradic

#CFEC51 #51ECBC #6E51EC #EC5181

square

#CFEC51 #51ECBC #6E51EC #EC5181

split-complementary

#CFEC51 #5181EC #BC51EC

monochromatic

#92AF13 #C0E61A #CFEC51 #DEF288 #EDF8BF

Accessibility & contrast

On white

1.33

#CFEC51 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

15.77

#CFEC51 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #CFEC51

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##CFEC51	#FFFFFF	#000000	##000000
##CFEC51	1.00	1.33	15.77	15.77
#FFFFFF	1.33	1.00	21.00	21.00
#000000	15.77	21.00	1.00	1.00
##000000	15.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#FBDF3B

Deuteranopia (green-blind)

#F7E05D

Tritanopia (blue-blind)

#DAE0CD

Achromatopsia (no color)

#DFDFDF

Design tokens & code

CSS

--color: #cfec51;
/* rgb */ color: rgb(207, 236, 81);
/* oklch */ color: oklch(89.4% 0.179 119.3);

Tailwind

colors: {
  custom: {
    50: '#e1f28a',
    500: '#cfec51',
    950: '#000000',
  },
}

SCSS

$custom: #cfec51;
$custom-light: #e1f28a;
$custom-dark: #000000;

JSON

{
  "hex": "#cfec51",
  "rgb": {
    "r": 207,
    "g": 236,
    "b": 81
  },
  "hsl": {
    "h": 71.226,
    "s": 80.311,
    "l": 62.157
  },
  "oklch": {
    "l": 0.89368,
    "c": 0.17876,
    "h": 119.3
  },
  "luminance": 0.7385
}

Semantic roles & 50–950 ramp

primary

#CFEC51

secondary

#4931B0

accent

#09DD30

background

#FEFFFC

surface

#FCFEF4

border

#D5D6CE

text

#16160C

muted

#84857F

Preview Lab

Preview with #CFEC51

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →